This is the factory Takeuchi workshop manual (publication WE3-301E2) for the TB025, TB030 and TB035 compact excavators. It covers machines built on the Yanmar 3TN84L-RTBZ, 3TN84TL-RTBZ and 3TN84TL-RTBY engines, with serial numbers starting at TB025 1253001, TB030 1303001 and TB035 1353001.
Across 362 pages you get disassembly and reassembly procedures, full machine configuration (drive, slew, travel, upper frame, control, hydraulic and electrical systems), and detailed hydraulic unit work: pump, control valve, pilot valve, cylinders, and the travel and slew motors. The specifications section lists dimensions, fluid capacities, servicing standards and tightening torques, and a dedicated troubleshooting section walks you through no-power and slow-operation faults.
The manual is a downloadable PDF with a searchable text layer and bookmarks, so you can print any page or jump straight to the system you are repairing.
Complete the set for your TB025, TB030, TB035
- Parts Catalog: Takeuchi TB025 Parts Manual
- Parts Catalog: Takeuchi TB035 Excavator Parts Manual
What's Inside This Takeuchi TB025, TB030, TB035 Manual
| System | Pages | Key Topics |
|---|---|---|
| Front Matter | 1-4 | Compact Excavator, Workshop Manual, Serial Number, Takeuchi Mfg. Co., Ltd., Foreword, Machine Front and Rear, Left and Right |
| General | 5-16 | Cautions During Disassembly and Assembly, Cautions During Removal and Installation of the Hydraulic Units, Cautions During Removal and Installation of Piping, Handling of Seals |
| Specifications | 17-68 | Names of Components, Dimensions, Lifting Capacities, Weights, Fluid Capacities, Recommended Lubricants, Types of Crawler Belts |
| Machine Configuration | 69-136 | External View, Drive System, Slew System, Travel System, Upper Frame, Control System, Attachments, Hydraulic System |
| Hydraulic Units | 137-304 | Hydraulic Pump [TB025, TB030], Hydraulic Pump [TB035], Control Valve, Pilot Valve, Cylinder, Travel Motor, Slew Motor |
| Troubleshooting | 305-362 | Overall Machine (No Operations CAN Be Done, All Operations CAN Be Done, But There Is No Power, Boom, Bucket, Slew and Arm Do Not Move at All, Or the Speed Is Low) |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Cushion Rubber Installation Nut Tightening Torque | 9.9 kgfm | p. 82 |
| Return Filter Nominal | 10 u | p. 125 |
| Hydraulic Hoses Union Nut (PF) 1/8 size torque | 1.0 +0.5 kgf-m | p. 14 |
| Track Roller Outer Dia. of Tread (Basic Dimension) | 93 ±0.5 mm | p. 50 |
| Idler Outer Dia. of Tread (Steel Crawler Basic Dimension) | 305 mm | p. 52 |
| Sprocket Outer Diameter (Basic Dimension) | 385.6 mm | p. 51 |
| Engine Oil Capacity (Upper Limit) | 4.7 L | p. 41 |
| Engine Cooling System Capacity | 5 L | p. 41 |
| Hydraulic Oil Service Interval | Every 1,000 hours | p. 42 |
| General Tightening Torque (M10 x 1.5) | 47.1 N-m | p. 16 |
| TB025 | ||
| Hydraulic Oil Tank Capacity | 69 L | p. 41 |
| TB030, TB035 | ||
| Fuel Tank Capacity | 34 L | p. 41 |
